Products 2766-77-0

CAS 2766-77-0 appears in our catalog under these names: Crystal Ponceau 6R (Technical Grade), Acid Red 44, Crystal Ponceau 6R, Crystal Ponceau 6R (C.I. 16250), 75.00%, PONCEAU 6R. Offered by: TRC, Dr. Ehrenstorfer, GLPBio, Chemat, Sigma-Aldrich. Available pack sizes: 1g, 25g, 5g, 25mg, 100g, 1 g, 5 g, 500 mg.

Crystal Ponceau 6R (Technical Grade)
TRC, Chemat
  • size: 1g, 25g, 5g
  • Variants: 5
from 338.00
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Acid Red 44
Dr. Ehrenstorfer
  • size: 25mg
  • Variants: 1
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Crystal Ponceau 6R
GLPBio
  • size: 25g, 5g
  • Variants: 2
from 662.57
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Crystal Ponceau 6R (C.I. 16250), 75.00%
Chemat
  • size: 100g, 25g, 5g
  • Variants: 3
from 233.40
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PONCEAU 6R
Sigma-Aldrich
  • size: 25MG
  • Variants: 1
from 950.60
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CRYSTAL PONCEAU 6R
Sigma-Aldrich, MedChemExpress
  • size: 5G, 1 g, 5 g, 500 mg
  • Variants: 4
from 440.44
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Structural formula: {0} (CAS {1})

Acid red 44 is an organic sodium salt that is the disodium salt of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid. It has a role as a histological dye. It contains a 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate.

Source: ChEBI

Identity
Molecular formulaC20H12N2Na2O7S2
Molecular weight502.4 g/mol
IUPAC namedisodium;7-hydroxy-8-(naphthalen-1-yldiazenyl)naphthalene-1,3-disulfonate
InChIKeyFUGCXLNGEHFIOA-UHFFFAOYSA-L
SMILESC1=CC=C2C(=C1)C=CC=C2N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]

Computed by PubChem (NCBI)

Synonyms: Crystal Ponceau 6R, Acid Red 44, Acid Ponceau 6R, Crystal Scarlet 6R, Acid Leather Ponceau 6R, Crystal Tertracid Ponceau 6R, Crystal Scarlet, C.I. Acid Red 44, Acid Red 6A, Crystal Ponceau
Isomers (same molecular formula)
disodium;4-hydroxy-3-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate C20H12N2Na2O7S2
disodium;3-hydroxy-4-(naphthalen-1-yldiazenyl)naphthalene-2,7-disulfonate C20H12N2Na2O7S2